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120140308 = 22101297377
BaseRepresentation
bin1110010100100…
…11001000010100
322101001202112001
413022103020110
5221223442213
615531005044
72656114201
oct712231024
9271052461
10120140308
11618a8212
1234299784
131bb75a52
1411d54ca8
15a8321dd
hex7293214

120140308 has 12 divisors (see below), whose sum is σ = 212327892. Its totient is φ = 59475200.

The previous prime is 120140303. The next prime is 120140311. The reversal of 120140308 is 803041021.

It can be written as a sum of positive squares in 2 ways, for example, as 103591684 + 16548624 = 10178^2 + 4068^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120140303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148285 + ... + 149092.

It is an arithmetic number, because the mean of its divisors is an integer number (17693991).

Almost surely, 2120140308 is an apocalyptic number.

It is an amenable number.

120140308 is a deficient number, since it is larger than the sum of its proper divisors (92187584).

120140308 is a wasteful number, since it uses less digits than its factorization.

120140308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297482 (or 297480 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 120140308 is about 10960.8534339257. The cubic root of 120140308 is about 493.4345784818.

Adding to 120140308 its reverse (803041021), we get a palindrome (923181329).

The spelling of 120140308 in words is "one hundred twenty million, one hundred forty thousand, three hundred eight".

Divisors: 1 2 4 101 202 404 297377 594754 1189508 30035077 60070154 120140308